Top JavaScript Developers
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Featured
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$5,000+$25 - $49 / hr50 - 249London, EnglandServices provided
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See all 88 projectsDigis, a Fiverr company (NYSE: FVRR), excels in providing comprehensive web development and staff augmentation services. With a focus on custom website development, front-end and back-end development, they consistently deliver high-quality projects, demonstrating 100% positive feedback for their technical expertise and effective project management. Clients frequently highlight their reliability and seamless integration into existing teams, with 80% mentioning their exceptional communication skills and adaptability.
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$1,000+$25 - $49 / hr10 - 49
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See all 7 projectsCreatibuzz LLC specializes in Website Development and Web Design, delivering comprehensive services from wireframes to interactive prototypes. Reviews highlight the firm's excellent project management and ability to enhance online visibility, resulting in increased website traffic and lead conversions. Clients appreciate Creatibuzz LLC’s attention to detail and creativity in crafting functional and aesthetically pleasing web solutions.
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$5,000+$100 - $149 / hr10 - 49Portlaoise, Ireland
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See all 6 projectsVIMAR Digital Marketing Ltd is a web development company renowned for Website Design, Web Development, and Custom Website Development services. With 100% positive feedback, clients commend their timely delivery, effective communication, and ability to meet project requirements. Their comprehensive skills in digital strategy and website creation are frequently highlighted, with 67% of reviews mentioning their exceptional service quality.
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$1,000+< $25 / hr10 - 49Dnipro, Ukraine
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See all 1 projectsWhaleSoft is a web development company praised for its rapid and affordable Website Development services, excelling in platforms like WordPress and Ruby on Rails. With 100% positive feedback, reviewers highlight the team's proactive problem-solving and excellent communication, noting their ability to deliver high-quality projects under budget while enhancing client relationships.
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$50,000+$50 - $99 / hr10 - 49Berlin, Germany
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Tendo Interactive, a custom software development firm, is based in Berlin, Germany. Their services include Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Lexington, KY
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Event Marketing company Hammond Communications Group is located in Lexington, Kentucky. Their services include Event Marketing and Branding.
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UndisclosedUndisclosed10 - 49Amesbury, MA
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Fronetics is an Email Marketing company. They were founded in 2011 and specialize in Email Marketing and Marketing Strategy.
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UndisclosedUndisclosed10 - 49Livingston, MT
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Unparalleled Advertising Group is an Advertising company. Their small team is located in Livingston, Montana. Their services include Advertising and Branding.
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UndisclosedUndisclosed10 - 49Cluj-Napoca, Romania
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Launched in 2015, Uptrust Company is a web design agency. Based in Cluj-Napoca, Romania, the team focuses on Web Design and IT managed services.
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UndisclosedUndisclosed10 - 49Cluj-Napoca, Romania
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OkkWebMedia SRL is a web design company founded in 2010. The company offers Web Design and Custom Software Development.
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UndisclosedUndisclosed10 - 49Indianapolis, IN
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TGFI is a web design company founded in 2003. The team offers Web Design and Web Development and is based in Indianapolis, Indiana.
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UndisclosedUndisclosed10 - 49Santiago, Chile
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Launched in 2006, Welinux is an IT managed services company. Their team provides IT managed services and Mobile & App Marketing.
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UndisclosedUndisclosed10 - 49Ebersberg, Germany
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Aumkii is a Digital Strategy company. Launched in 2006, the company is headquartered in Ebersberg, Germany. Their team focuses on Digital Strategy and Web Development.
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UndisclosedUndisclosed10 - 49Amsterdam, Netherlands
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Webbio B.V. Is an Amsterdam, Netherlands-based website development company. Their services include Web Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49Amsterdam, Netherlands
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Founded in 2015, Baas & Baas is a social media marketing company. The team specializes in Social Media Marketing and Search Engine Optimization.
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UndisclosedUndisclosed10 - 49Amsterdam, Netherlands
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SPRIGS is a small website development company. They provide Web Development and UX/UI Design and were established in 2010.
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UndisclosedUndisclosed10 - 49Marseille, France
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Established in 2003, QUAI 13 is a web development company. The company focuses on Web Development and E-Commerce Development, and is small.
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UndisclosedUndisclosed10 - 49Caracas, Venezuela
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Sistemas JVR, a website development company, is located in Caracas, Venezuela. Established in 2014, the team provides Web Development and IT managed services.
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UndisclosedUndisclosed10 - 49Bari, Italy
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Donald Media Grafic is an Advertising company. They are based in Bari, Italy. Their team provides Advertising and Branding.
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UndisclosedUndisclosed10 - 49Bari, Italy
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Small web design agency Pubblicarb, is in Bari, Italy. The team specializes in Web Design and Advertising.
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UndisclosedUndisclosed10 - 49
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Established in 2011, DORIS agency is a branding firm. Their services include Branding and Social Media Marketing.
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UndisclosedUndisclosed10 - 49
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Located in Prishtina, Kosovo and Vienna, Austria, Smart ITS L.L.C. Is a small IT strategy consulting company. Their services include IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Bharuch, India
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TechoMax Solution™, a web design company, was established in 2018. The team provides Web Design and UX/UI Design.
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UndisclosedUndisclosed10 - 49Milton, DE
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ITECHLEADZ is a SEO company. They were launched in 2014 and provide Search Engine Optimization and Custom Software Development.
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UndisclosedUndisclosed10 - 49Irvine, CA
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Established in 2009, Local SEO Help is a SEO company. The team specializes in Search Engine Optimization and Social Media Marketing and is in Irvine, California.
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UndisclosedUndisclosed10 - 49Fort Worth, TX
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Headquartered in Fort Worth, Texas, Dev In Logics is a small branding firm. Their services include Branding and Marketing Strategy.
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UndisclosedUndisclosed10 - 49Toronto, Canada
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Launched in 2018, Muscled Inc. Is a social media marketing agency. The small team focuses on Social Media Marketing and Pay Per Click.
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UndisclosedUndisclosed10 - 49Memphis, TN
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In Memphis, Tennessee and Bengaluru, India, 3Avenir is an IT strategy consulting company. Founded in 2020, the team offers IT strategy consulting and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Cherry Hill, NJ
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EveryMerchant.com, an Advertising company, offer Advertising and Public Relations. They were established in 2008.
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UndisclosedUndisclosed10 - 49
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Unleaded Digital is a PR agency. Headquartered in Denver, Colorado, the firm was established in 1996. Their team focuses on Public Relations and Marketing Strategy.
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UndisclosedUndisclosed10 - 49
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Devaims Solutions is an app development firm. Their small team of employees is based in Boston, Massachusetts. Their team specializes in Mobile App Development and E-Commerce Development.
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UndisclosedUndisclosed10 - 49Nantes, France
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Moon Moon is a Conversion Optimization company. Headquartered in Nantes, France, the agency was launched in 2022. Their services include Conversion Optimization and UX/UI Design.
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UndisclosedUndisclosed10 - 49Barcelona, Spain
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Small social media marketing company Pukkas, is based in Barcelona, Spain. The team offers Social Media Marketing and Email Marketing.
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$1,000+< $25 / hr2 - 9
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See all 1 projectsWelcome to Bluebirds-soft, your one-stop-shop for innovative IT solutions! We specialize in: Web Development: Crafting stunning websites that elevate your online presence App Development: Building
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$5,000+$25 - $49 / hr2 - 9Ciudad Autónoma de Buenos Aires, Argentina
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PinkSoft is a website development company. They offer Web Development and Custom Software Development and are located in Ciudad Autónoma de Buenos Aires, Argentina.
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$1,000+$25 - $49 / hr2 - 9Bandarawela, Sri Lanka
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ITsolx (PVT) LTD is a small Bandarawela, Sri Lanka-based website development firm. Their services include Web Development and Mobile App Development.
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$1,000+$25 - $49 / hr2 - 9Casablanca, Morocco
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Naomedia is a social media marketing company. They are based in Casablanca, Morocco and Casablanca, Morocco and have small team. They offer Social Media Marketing and Content Marketing.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsУкртехсофт specializes in Website Development, Web Design, and Web Programming, evidenced by their handling of complex projects like automating a cryptocurrency news site. Reviews highlight their experienced development team, reasonable pricing, and exceptional client communication, resulting in high satisfaction and multifunctional, user-friendly web solutions.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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Launched in 2020, Proviloops International (Pvt) Ltd is a website development company. The company specializes in Web Development and Mobile App Development, and is small.
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$1,000+< $25 / hr50 - 249
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See all 3 projectsWelcome to Staff BD — Your Partner in Digital Excellence At Staff BD, we are more than just a digital marketing agency — we are your strategic partner in building a powerful and
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$1,000+$25 - $49 / hr50 - 249
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See all 1 projectsIT company
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$25,000+$50 - $99 / hr50 - 249České Budějovice, Czech Republic
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See all 26 projectsAcropolium is a distinguished web development company specializing in custom website development, full-stack web development, and web application development. Reviewers consistently highlight their strong project management skills, technical expertise, and adaptability, with 100% of reviews expressing satisfaction with their flexibility and commitment to deadlines. Acropolium's client-centric approach and proficiency in delivering high-quality, scalable solutions are widely commended.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 21 projectsAlphonic Network Solutions is a full-stack web development company known for its expertise in custom website development and web application development. The company consistently receives positive feedback, with 100% of reviews highlighting their strong project management, timely delivery, and technical proficiency. Clients appreciate their comprehensive solutions and the ability to integrate new technologies into existing systems.
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$5,000+$50 - $99 / hr50 - 249London, England
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See all 20 projectsVasterra is a web development company renowned for its expertise in Web Application Development, specializing in delivering innovative, data-driven solutions. Their clients have praised them for effective project management and advanced technological capabilities, with 100% of reviews highlighting their ability to deliver actionable insights and innovative products. However, there is potential for improvement in customization options and initial project speed.
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$1,000+$25 - $49 / hr50 - 249New Delhi, India
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See all 6 projectsArramton Infotech is a web development company specializing in custom website and mobile application development. They have received overwhelmingly positive feedback, with 100% of reviewers praising their communication skills, responsiveness, and ability to deliver user-friendly and high-quality solutions. Clients commend their project management efficiency and dedication, highlighting successful engagements in website design and development, CRM systems, and mobile apps.
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$5,000+< $25 / hr50 - 249Delhi, India
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See all 3 projectsAdsgrill Tech Solutions is a proficient web development company known for its cost-effective and customized software solutions, particularly excelling in web application development. The feedback is predominantly positive, with clients appreciating their timely delivery and comprehensive understanding of project requirements, though some note room for improvement in understanding and costing.
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$5,000+$25 - $49 / hr50 - 249Hanoi, Vietnam
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See all 1 projectsSinaisoft provides Website Development, Web Design, and Online Development services, with a strong focus on delivering high-quality web and mobile apps. Reviews from clients highlight their professional communication, timely delivery, and high-performance staff, making them a reliable partner for web programming projects. Clients are consistently satisfied with their outcomes, noting no areas for improvement.
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UndisclosedUndisclosedFreelancerGlasgow , Scotland
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Jonathon Mills is a web design agency and web development company. Based in Glasgow , Scotland, the team provides Web Design and Web Development.
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UndisclosedUndisclosedFreelancerGlasgow , Scotland
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Web design agency and website development company Sounds Like Design was founded in 2006. The small team offers Web Design and Web Development.
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UndisclosedUndisclosedFreelancerCoylton, Scotland
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Essence Creative Solutions is a web design company and website development firm. Based in Coylton, Scotland, the company was founded in 2004. Their team offers Web Design and Web Development.
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UndisclosedUndisclosed50 - 249North Charleston, SC
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CodeLynx Inc is a North Charleston, South Carolina-based software development company. Founded in 2003, the team offers Custom Software Development and IoT development.
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Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
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We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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List of the Top 15 JavaScript Development Companies
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$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Web Development75% JavaScript50% Other -
$75,000+$100 - $149 / hr50 - 249Vancouver, Canada
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
90% Web Development50% JavaScript10% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$10,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development60% JavaScript55% Other -
$10,000+< $25 / hr250 - 999Thiruvananthapuram, India
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Web Development50% JavaScript50% Other -
$10,000+Undisclosed50 - 249San Francisco, CA
Ability to deliver
39.1/40.019.8/20 Reviews9.6/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$10,000+$50 - $99 / hr50 - 249Montevideo, Uruguay
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
50% Web Development35% JavaScript50% Other -
$5,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.018/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
70% Web Development50% JavaScript30% Other -
$50,000+$100 - $149 / hr1,000 - 9,999San Francisco, CA
Ability to deliver
39.5/40.019.6/20 Reviews9.9/10 Clients & Experience10/10 Market PresenceService focus
15% Web Development25% JavaScript85% Other -
$10,000+$50 - $99 / hr50 - 249Kuala Lumpur, Malaysia
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Web Development70% JavaScript70% Other -
$25,000+$25 - $49 / hr50 - 249Newark, DE
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$5,000+$50 - $99 / hr50 - 249Chicago, IL
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
35% Web Development40% JavaScript65% Other -
$10,000+$25 - $49 / hr250 - 999San Francisco, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Web Development40% JavaScript85% Other -
$50,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Web Development50% JavaScript55% Other -
$1,000+< $25 / hr250 - 999Boston, MA
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Web Development35% JavaScript60% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
21% Web Development18% JavaScript79% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.018.2/20 Reviews10/10 Clients & Experience9/10 Market PresenceService focus
40% Web Development50% JavaScript60% Other -
$25,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Web Development33% JavaScript90% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.4/40.016.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$10,000+< $25 / hr250 - 999Kolkata, India
Ability to deliver
36.3/40.019/20 Reviews9/10 Clients & Experience8.4/10 Market PresenceService focus
35% Web Development30% JavaScript65% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
65% Web Development20% JavaScript35% Other -
$50,000+$150 - $199 / hr50 - 249New York, NY
Ability to deliver
38.2/40.018.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
100% Web Development30% JavaScript -
$100,000+$25 - $49 / hr250 - 999Cebu City, Philippines
Ability to deliver
38.7/40.020/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
30% Web Development20% JavaScript70% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Plano, TX
Ability to deliver
36.8/40.017.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$10,000+$25 - $49 / hr250 - 999New York, NY
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
28% Web Development15% JavaScript72% Other -
$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
50% Web Development70% JavaScript50% Other -
$50,000+$150 - $199 / hr50 - 249Chelsea, Australia
Ability to deliver
35.9/40.016.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
60% Web Development45% JavaScript40% Other -
$1,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
36.5/40.019.2/20 Reviews9.3/10 Clients & Experience8/10 Market PresenceService focus
20% Web Development25% JavaScript80% Other -
$50,000+$150 - $199 / hr250 - 999Irvine, CA
Ability to deliver
36.2/40.016.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% Web Development30% JavaScript70% Other -
$25,000+$100 - $149 / hr50 - 249Long Beach, CA
Ability to deliver
36.2/40.018.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
100% Web Development40% JavaScript
Top JavaScript Development Agencies
A JavaScript development company designs, builds, and maintains software products that rely on JavaScript across the stack. Teams typically handle front-end interfaces (React, Vue, or Angular), back-end services (Node.js, Express, NestJS), and database integrations. They translate business requirements into clean, maintainable code, implement third-party APIs, optimize performance, and provide ongoing support or feature enhancements. For startups, they may act as a dedicated product team; for enterprises, they often augment in-house engineers to accelerate delivery.
Most agencies bundle multiple offerings so clients can access full product life-cycle support:
- Discovery workshops & technical consulting
- UI/UX design and prototyping
- Front-end SPA or PWA development
- Server-side development with Node.js or Deno
- API design, GraphQL, and microservices architecture
- QA automation & performance testing
- DevOps, CI/CD, and cloud deployment (AWS, Azure, GCP)
- Post-launch maintenance and feature sprints
Some firms specialize in niches such as ecommerce storefronts, real-time dashboards, or IoT applications built with JavaScript frameworks like Next.js or Svelte.
Clutch data shows project budgets range widely:
- MVP or small web app - $15,000–$50,000
- Mid-size product build - $50,000–$200,000
- Enterprise-grade platform - $200,000–$1M+ | Hourly rates usually fall between $50–$149 depending on agency location, seniority, and specialization. Expect higher rates for U.S.-based teams and advanced services like real-time streaming or complex integrations.
- Align expertise: Verify experience with your required stack (e.g., React Native, TypeScript, serverless).
- Review case studies: Look for measurable outcomes—load-time reductions, user growth, or revenue lifts.
- Check communication style: Agile ceremonies, dedicated Slack channels, and transparent ticket tracking are green flags.
- Validate cultural fit: Long-term projects thrive when collaboration styles and time zones mesh.
- Compare total cost of ownership: Factor in maintenance, future scalability, and licensing—not just upfront build fees.
Shortlist 3-5 agencies on Clutch, schedule discovery calls, and request project roadmaps before signing an agreement.
- Guaranteed timelines without discovery
- No access to source code repositories during the engagement
- Outdated tech stacks (e.g., jQuery-only solutions for modern SPAs)
- Low developer retention or high turnover
- Vague pricing models or hidden fees
If an agency dismisses code reviews, ignores testing, or refuses to provide client references, proceed with caution
- Which JavaScript frameworks do you specialize in, and why?
- Can you walk me through a recent project with similar complexity?
- How do you ensure code quality—linting, peer reviews, automated tests?
- What is your approach to scalability and performance optimization?
- How will we communicate and track progress (tools, meeting cadence)?
- Who owns the intellectual property and source code upon project completion?
Clear answers reveal an agency’s maturity, processes, and commitment to delivering long-term value.
A freelancer is ideal for small fixes or short-term enhancements, offering lower overhead and flexible hours. Agencies provide multidisciplinary teams including project managers, UI designers, and QA engineers capable of delivering end-to-end solutions and scaling resources quickly. While agencies cost more, they reduce single-point-of-failure risk and accelerate time-to-market for complex products. How do JavaScript firms measure ROI? Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.
Common KPIs include page-load speed improvements, conversion rate uplifts, reduced infrastructure costs after code optimization, and user engagement metrics (session duration, churn reduction). Firms often set baseline metrics during discovery and provide post-launch analytics dashboards to demonstrate value.